Find the absolute value of -18 18 -18 1/18 -1/18 find the opposite of -25 25 -25 1/25 -1/25

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Find the nonpermissible replacement for binthis expression.b2/5b +5